Thumb brace



FIG. 1 is a right perspective view of the thumb brace where a wearer's hand is in broken lines to show the environment of the invention, but form no part of it;

FIG. 2 is a bottom plan view of the thumb brace with twice folded straps;

FIG. 3 is a left front perspective view of the thumb brace shown in FIG. 2;

FIG. 4 is a left front perspective view of the thumb brace with folded straps;

FIG. 5 is a left front perspective view of the thumb brace with extended straps;

FIG. 6 is a back plan view of the thumb brace shown in FIG. 5; and,

FIG. 7 is a back plan view of the thumb brace shown in FIG. 4.

The broken lines in FIG. 1 through FIG. 7 are included for the purpose of illustrating portions of the thumb brace that form no part of the claimed design. 

The ornamental design for the thumb brace, as shown and described. 